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I S. E. LIGHT. MACHINE FOR CASTING HOLLOW INGO'I3- No. 467,469. Patented Jan. 19, 1892..

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S. ELLIGHT. MACHINE FOR CASTING HOLLOW meow,

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SAMUEL E. LIGHT, OF LEBANON, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO ABRAM J. LIGHT, OF SAME PLACE.

MACHINE FOR CASTING HOLLOW INGOTS.

SPECIFICATION forming part of Letters Patent No. 467,469, dated January 19,1892.

Application filed July 17, 1891. l'a erial No. 399,351- (No model.)

To all whom it may concern.- a set-screw g, engaging with a projection h on Be it known that I, SAMUEL E. LIGHT, a the lower side of the base, and is removed citizen of the United States, residing atLebatherefrom bya set-screw 2', bearing against non, in the county of Lebanon and State of the lower end of the projection 72. Pennsylvania, have invented certain new and In the upper surface of the projection c are useful Improvementsin Machines for Casting pockets 7t,-to be filled with metal and form Hollow Ingots; and I do hereby declare the teats or spurs on the ingot to steady it while following tobe a full, clear, and exact descripthe mandrel and the mold are being removed tion of the invention, such as will enable othand until the ingothas been properly .secured 1o ers skilled in the art to which it appertains to for removal from the base of the mold. make and use the same. G is the power-shaft driven by any suitable My invention relates to the art of casting motor, is journaled in suitable bearings or ingots, and has for its object an organized journal-boxes H and m, and supports a masmachine for casting hollow ingots, which will ter gear-wheel H and a bevel or miter pinion 15 be hereinafter described, and particularly I, the former engaging with a similar gearpointed out in the claims. wheel K on a shaft L, engaging with another In the accompanying drawings, which form mold B, and the shafts, gear-wheels, and molds partof this specification, Figure 1 represents may be duplicated as often as found advana side elevation, partly in section; Fig. 2, a tageous to work. The bevel-pinion Iis thrown 20 rear elevation, and Fig. 3 a top plan View of into and out of engagement with the miterthe base of the mold detached. wheel 0 by means of a collar 11., secured to the Reference being had to the drawings and shaft G, a lever 0 engaging said collar at one the letters thereon, A indicates a frame which .end, fulcrumed at p, and connected to a handmay be of any desired length to support a bar g at its opposite end.

25 number of molds. For the purpose of illus- In the upper end of the frame A is suptration two molds are shown; but any desirported a shaft M, driven byany suitable conable number may be operated from a main nection with the motor,and is supplied with line of shaftin g. miter or bevel gear-wheels N, the number of B indicates the section of the molds the inwhich corresponds with the number of molds 3o ternal diameter of which is slightly larger at mounted upon the machine and engage with the bottom than at the top to cause the mold corresponding miter-wheels O, secured. to one to pass up over the ingot without binding. end of a vertical shaft P, secured in a hear- The mold B is provided with a miter gearing 1 near its upper end and in a seat .9 at its wheel 0, which has vertical lugs Ct a formed lower end. Upon the shaft P is secured a 5 thereon, which engage with the wall of the gear-wheel Q, which engages with a gearmold and are secured thereto by set-screws 1) wheel R, keyed to the mandrel E to revolve b, to cause the mold to revolve with gearthe latter in the mold B. The mandrel is set wheel. The gear-wheel O rests upon a base in motion and stopped by a clutch t, fixed to D, which is provided with a projection c, the shaft P, a movable clutch-sleeve it, also 40 which extends into the lower end of the secon the shaft P, a lever c, connected to said tion B, and is provided with a conical seat d, sleeve, fulcrumed at w on the frame A and to receive a corresponding projection or eX connected to a rod as, engaging with a lever tension e on the mandrel E, to center the many, fulcrumed at z. drel and secure it centrally in the mold while The mold .A is provided with an extension 5 the mold and the mandrel are being revolved a to support a sheet-metal guard 12, to prein opposite directions while the molten metal vent any molten metal falling upon the gearis being poured into the mold and until the wheels 0 and I, and is raised above the ingot ingot has cooled sufficiently to be removed when cast by any suitable hoisting device from the mold. The base D rests on a boss such as a crane, derrick, or swinging tongs 50 F, having a seat f, in which it is secured by (not shown)-andis supported in its raised po- 10o sition by hooks c c, pivotally secured to the frame A, and which engage with the under side of the gear-wheel O. The mandrel E has a chain or cable d attached to its upper end by a ring 6, swiveled thereon to allow the mandrel to revolve in the mold.

The mold A and the base D are made separate, for the reason that the former, being subject to the greatest degree of heat and changes in temperature, will wear more rapidly than the base and can be renewed Without disturbing the base. For the same reae. son the gear-wheel O is also made separate from the mold A and need not be renewed as frequently as the mold.

The machine being set in motion, molten metal from a suitable cupola, converter, or crucible is poured from a ladleinto the mold or molds, the metal kept in a state of agitation by the motion of the mold, and the mandrel, revolving in opposite directions, dispels.

the air from the mold and prevents honeycombs or air-cells forming in the ingot and .the metal adhering to the mandrel.

By the clutches used to put the several molds and mandrels into and out-of motion any one or all can be worked at the pleasure of the operators.

Having thus fully described my invention, what I claim is- 1. A mold forhollow ingots, consisting of a vertically movable and revoluble cylinder having a tapering chamber, a fixed base on which the cylinder revolves, and means for revolving the same, in combination with a vertically-movable mandrel supported in the base of the mold.

2. A mold for hollow ingots, consisting of a revolubletubular section and a fixed base separabletherefrom, in combination with means for revolving the tubular section independent of the base, a mandrel, and means for revolving the mandrel separate from the mold.

3. A mold for hollow ingots, consisting of a tubular section having a gear-wheel secured thereto, a fixed base separable from the cylinder, and means for revolving the cylinder, in combination with a verticallymovable mandrel.

4; A mold for hollow ingots, consisting of a revoluble tubular section provided with a gear-wheel and a fixed base separable from the tubular section and provided with a central recess or seat, in combination with a vertically-movable mandrel having a projection on its lower end corresponding with the seat in the base, means for revolving the mold, and means for raising the mandrel.

5. In a machine for casting hollow ingots, a plurality of revolubly-supported molds connected with a power-shaft, in combination with a plurality of revolubly-supported mandrels connected with a shaft to be revolved in a direction opposite that of the revolving molds.

6. In a machine forcasting hollow ingots, a revoluble and vertically-movable tubular mold-section and means for supporting said section in an elevated position, in combination with a fixed base and a separately-revoluble and vertically-movable mandrel supported in the base of the mold.

7. In a machine for casting hollow ingots, a mold comprising a revoluble section and a fixed base, means for imparting motion to the revoluble section, a mandrel having a gearwheel attached thereto, and a suitable connection with a power-shaft for revolving the mandrel.

8. A revolnble mold for hollow ingots, in combination with a revoluble mandrel supported in the base of the mold and having a swiveled ring attached to its upper end and means for revolving the mold and the mandrel.

In testimony whereofI affix mysignature in presence of two witnesses.

SAMUEL E. LIGHT.

Witnesses:

ALLEN D. HOFFER, B. F. GINGRILS. 

